Learning Curve Happily Ever After String Puzzle Get two puzzles in one with 2-sided puzzle patterns attached together using the unique feature of strings connecting the pieces, for no more lost pieces! Puzzles include 20 pieces and a wooden tray for convenient storage when not in use. The final puzzle size when assembled is 10. 5" x 8. 5". In this princess-themed puzzle, twenty wooden blocks are attached together witha handy string. . . No more searching for lost puzzle pieces! There are images on both sides of the puzzle pieces for two alternate puzzle views. Puzzle is contained in a wooden tray.